package com.yaoli.niuke;

/**
 * Created by siemens on 5/31/2017.
 */
public class _017_Test {
    public boolean isNumeric(char[] str) {
        String value = String.valueOf(str);

        return value.matches("([\\+-])?([0-9])*(\\.[0-9]*)?([eE][\\+-]?[0-9]+)?");
    }
}
